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b=pDK/3D3+uzTQvzeX05zFAx8upItPUwMi2BC4l/H0G2BWn4TaemzpXcnNGd1GUWr7LuCcLKEHoMKCAx7fFwbdebBsZWsYzUpw6LhdGgMCnCAMVKysVWoI87zy4J8t1GbMw+b6abWRxsT2C/Onv8s6orFo+6d0FyIpVPk2fiiq8g0= Received: from 30.74.144.159(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0WGd6wgf_1728379655) by smtp.aliyun-inc.com; Tue, 08 Oct 2024 17:27:36 +0800 Message-ID: Date: Tue, 8 Oct 2024 17:27:35 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/1] remove SWAP_MAP_SHMEM To: Nhat Pham , akpm@linux-foundation.org Cc: hannes@cmpxchg.org, yosryahmed@google.com, hughd@google.com, shakeel.butt@linux.dev, ryan.roberts@arm.com, ying.huang@intel.com, chrisl@kernel.org, david@redhat.com, kasong@tencent.com, willy@infradead.org, viro@zeniv.linux.org.uk, baohua@kernel.org, chengming.zhou@linux.dev, v-songbaohua@oppo.com, linux-mm@kvack.org, kernel-team@meta.com, linux-kernel@vger.kernel.org References: <20241002012042.2753174-1-nphamcs@gmail.com> From: Baolin Wang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Stat-Signature: 6r1wq1nakn5eqxmaeqj5s5fenni4wkx8 X-Rspamd-Queue-Id: 3E9974001D X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1728379659-167345 X-HE-Meta: U2FsdGVkX1+ukk/nC0i/zYLGayKDEZOPzuFI8m3D5US/LxsdROwPMHRN8NXKcedhE6s2eRgqTsn0EwVsxegDj04hDOVw0mK5KTD9KAmOa6ro5a+RND78FRKqwXh0PnBRsvrjLifSsne9tlwpOqnou2egFcs7Rxng6/WfrCtqdHNoNohhorrrZ7zYq/nxMDO9or6PVNbfO2qnskcBTBMGiKJ/0lCB1pibE5bT7yKdsR9GV8GkApwLxrfh4h1yKvZ2il3JjZBFFsdG+QWkzTeJL3qO9RPu1DTjNDaMJ00V/mfjGH/5qFPIEJOG9WeWjg+IJll48zgK6k2aic4OCCGRizVNsnVr5WKAO48nRHstIsgiuCujOEpE6qfNpALlxjyagNAHM8lUxBa2WqP6cf+udC1XLuws3DfRcy5fODhKRxnV3TiDcyRMH9ekPdOfdcZ0ReAXqre5CumtunCSwyt6/CSjPYbJ6hXQrkIWIvp7lhk2MaNzJ/hoxG4PzOu8ew6W3jM0wLpUsmvqoAohhlmrTRjKyDkKfyTA2n01NeSDa6v6bvNmDSGDYvlvSySQIKhHFcWFGOMY+npueSx0JdesEHzd8aLzo0EUqKGjmrRriuKBMx8P9UhBm1iEd53QB4nvvwWvLyX72A791wM+pRViAgW6cLH/U+9plQfw2wT9Ja29nwRpPUhn8W+uTK5I4o21hfxuOEEyMz6OgOFsm/AEXwqNWwaZa6qbAsy3hk2AA3u78UsVBIbHuwlYV0sjxBjQCjuk6grX8mCCNpNGOscoSioRQkP64KlyS3bUCF8TxgAeYfrRWYpddH/i2mDkCfeB6OVJWDx4MpVh66gw1qiNyHnDuNeQROjUxILxv2ahDjfJWK7pND9FVS7Wj//IysXG1oXKd2WoMgKwMfnsI0GpZ8qR8RBl+Lotx+OolwHTwx1LrmWr5G6f2TTbRJrN8wTZXT7HJW0xsrUao4ZRRkH 7U3rnisn QQW1pvjxzJIHcWTXco6nJUIzp6fUTD1rKFKwijN/Y8tqGhEO1BijxYnHBydhMesW9J9vzQzOQwX2m4jmTOsuHagGvl+ue/6fQgzsEzIVm2xIr7raisntST+Bw3cPFP+7uWiQ8OU/l2Q4NyxK1slCVRegOcAwNwj77N7637WL2BOWmnDVCtGZbDnvUo7BHOgHrkOz2mgMaI7l45MSzNOMW0ZtOTmUmP8xTL2QO9gY1Doq+2iZqFS8wUYdeJZCUvHvHYl1KW1liIOH1f01O6IGNMzd40A1/HbyVJ4LYMFn4RnSDT3BZiv2/SA/foxUZ9Ih487ULiVbRF+fWvUMmosOcY4VsVmi/WrHTCOce X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2024/10/2 09:22, Nhat Pham wrote: > On Tue, Oct 1, 2024 at 6:20 PM Nhat Pham wrote: >> >> Changelog: >> v2: >> * Fix a WARN in the shmem THP swap path. Thanks Baolin, Yosry, and Barry >> for the report and the discussion on how to solve it. > > Hi Baolin, could you run your stress program again on this version? > FWIW, I was able to trigger 64kb mTHP swap in shmem + no-fallback > swapout, so I think the issue is fixed. Sure. I'm just back from vacation, and will find some time this week to test it.